Medical imaging is a process of imaging the internal view of the human body for medical intervention and clinical analysis. It depicts the internal structure of the body, which is covered by the skin. It helps in the identification of abnormalities for appropriate diagnosis and treatment of a disease. Medical imaging includes technologies such as magnetic resonance imaging, radiology, ultrasound, radiography, medical photography, elastography, thermography, computed tomography and mammography. Imaging diagnostics are used for detecting cancer and its management in all the phases. Medical imaging is a significant part of clinical protocols related with cancer and it helps in furnishing functional, structural, metabolic, and morphological information. In combination with other diagnostic tools like in vitro fluids and tissue analysis, medical imaging helps in undertaking clinical decisions. Cancer can be detected in the early stages through imaging based on screening, which has substantially decreased the mortality in certain cancers. This book unravels the recent studies on diagnostic imaging and its applications in cancer. Those in search of information to further their knowledge will be greatly assisted by it.